Nambala zosangalatsa izi zidakopa chidwi cha okonza a C&EN

Kafukufuku wapamwamba kwambiri wa 2022 wa chemistry, ndi manambala

Nambala zosangalatsa izi zidakopa chidwi cha okonza a C&EN

mwaCorinna Wu

77mA/g

Mtengo wokwanira wa a3D-yosindikizidwa lithiamu-ion batire electrode, yomwe ili pamwamba kuwirikiza katatu kuposa ya electrode yopangidwa mwachizolowezi.The 3D-yosindikiza njira aligns graphite nanoflakes mu nkhani kukhathamiritsa otaya ayoni lifiyamu mkati ndi kunja elekitirodi (kafukufuku linanena pa msonkhano ACS Spring 2022).

Ngongole: Soyeon Park A 3D-battery yosindikizidwa anode

 

38-pa

Kuwonjezeka kwa ntchito za aenzyme yatsopanozomwe zimawononga polyethylene terephthalate (PET) poyerekeza ndi PETases akale.Enzymeyo idaphwanya zitsanzo 51 za PET nthawi yayitali kuyambira maola mpaka masabata.Chilengedwe2022, DOI:10.1038/s41586-022-04599-z).

 

Mawu: Hal Alper A PETase akuphwanya chidebe cha cookie cha pulasitiki.

 

24.4%

Kuchita bwino kwa aperovskite solar cellidanenedwa mu 2022, ndikuyika mbiri ya ma photovoltais osinthika afilimu yopyapyala.Kuchita bwino kwa tandem cell pakusandutsa kuwala kwa dzuwa kukhala magetsi kumagunda yemwe anali ndi mbiri yakale ndi 3 peresenti ndipo amatha kupirira ma bend 10,000 popanda kutayika pakuchita.Nat.Mphamvu2022, DOI:10.1038/s41560-022-01045-2).

100 nthawi

Mtengo umene aelectrodialysis chipangizoamatchera misampha ya carbon dioxide poyerekeza ndi makina amakono olanda mpweya.Ofufuza adawerengera kuti dongosolo lalikulu lomwe lingatseke matani 1,000 a CO2 pa ola likhoza kuwononga $145 pa metric toni, kutsika mtengo wa dipatimenti ya Mphamvu ya $200 pa metric ton yaukadaulo wochotsa mpweya.Energy Environ.Sci.2022, DOI:10.1039/d1ee03018c).

 

Ngongole: Meenesh Singh Chipangizo cha electrodialysis chojambula mpweya

 

 

Mawu: Sayansi Kakhungu imalekanitsa mamolekyu a hydrocarbon ndi mafuta opepuka.

80-95%

Peresenti ya mamolekyu amafuta amtundu wa hydrocarbon omwe amaloledwa kudzera mu apolymer membrane.Nembanemba imatha kupirira kutentha kwambiri komanso zinthu zowopsa ndipo imatha kupereka njira yochepetsera mphamvu yolekanitsa mafuta ndi mafuta opepuka (Sayansi2022, DOI:10.1126/science.abm7686).

3.8 biliyoni

Chiwerengero cha zaka zapitazo kuti Earth mbale tectonic ntchito mwina anayamba, malinga ndikusanthula kwa isotopi kwa makristalo a zirconzomwe zinapangidwa pa nthawi imeneyo.Makristalo, omwe amasonkhanitsidwa pabedi la mchenga ku South Africa, amawonetsa siginecha zofanana ndi zomwe zimapangidwa m'malo ocheperako, pomwe makhiristo akale samatero (AGU Adv.2022, DOI:10.1029/2021AV000520).

 

Ngongole: Nadja Drabon Makatani akale a zircon

 

Zaka 40

Nthawi yomwe inadutsa pakati pa kaphatikizidwe ka perfluorinated Cp * ligand ndi kulengedwa kwakechoyamba coordination complex.Zoyeserera zonse zam'mbuyomu zogwirizanitsa ligand, [C5(CF3)5]−, idalephera chifukwa magulu ake a CF3 akuchotsa ma elekitironi mwamphamvu (Anga.Chemu.Int.Mkonzi.2022, DOI:10.1002/anie.202211147).

1,080

Number of sugar moieties in thepolysaccharide yayitali komanso yayikulu kwambirizopangidwa mpaka pano.Molekyu yophwanya mbiri idapangidwa ndi automated solution-phase synthesizer (Nat.Synth.2022, DOI:10.1038/s44160-022-00171-9).

 

Mawu: Xin-Shan Ye Automated polysaccharide synthesizer

 

97.9%

Kuchuluka kwa kuwala kwa dzuwa kumawonekera ndiutoto woyera kwambiriokhala ndi hexagonal boron nitride nanoplatelelets.Utoto wokhuthala wa 150 µm ukhoza kuziziritsa pamwamba ndi 5–6 °C padzuwa lolunjika ndipo ungathandize kuchepetsa mphamvu yofunikira kuti ndege ndi magalimoto zizizizira (Cell Rep. Phys.Sci.2022, DOI:10.1016/j.xcrp.2022.101058).

 

Ngongole:Cell Rep. Phys.Sci.

Hexagonal boron nitride nanoplatelelets

90%

Kutsika kwaperesentiSARS-CoV-2 matendamkati mwa mphindi 20 kachilomboka kakumana ndi mpweya wamkati.Ofufuza adatsimikiza kuti moyo wa kachilombo ka COVID-19 umakhudzidwa kwambiri ndi kusintha kwa chinyezi (Proc.Natl.Akad.Sci.USA2022, DOI:10.1073/pnas.2200109119).

 

Ngongole: Mwachilolezo cha Henry P. Oswin Madontho awiri a aerosol pazinyezi zosiyanasiyana